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Windows 7: How to try out an older monitor with my desktop

28 Aug 2014   #1
Oteyallergy1

Windows 7 Professional 64 bit
 
 
How to try out an older monitor with my desktop

Do I need to tell my Windows 7 desktop (do an uninstall or similar action) before disconnecting current Dell wide screen monitor to try out an older Acer monitor from an XP OS ? Both are flat panel LCDs. Does it matter whether I disconnect the power cable first or the other cable ?


My System SpecsSystem Spec
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28 Aug 2014   #2
DocBrown

Win7 Enterprise, Win7 x86 (Ult 7600), Win7 x64 Ult 7600, TechNet RTM on AMD x64 (2.8Ghz)
 
 

Welcome Oteyallergy1

It would be the safest way to have computer & monitors powered OFF when switching the cables. But I have done it many times when powered on if very very careful .


Is Otey a family surname from Virginia ?
My System SpecsSystem Spec
30 Aug 2014   #3
Mellon Head

Win 7 Pro x64/Win 10 Pro x64 dual boot
 
 

Windows will autodetect the different monitor. No need to do anything special, but change the monitor with the monitor and the computer powered off.
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31 Aug 2014   #4
quadrplax

Windows 7 Home Premium 64bit
 
 

I don't see the need to change monitors while the computer is off. If you're afraid something could happen, set the resolution to 800x600 before changing the monitors. Also, if you can connect both at once that would be the best way.
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31 Aug 2014   #5
Mellon Head

Win 7 Pro x64/Win 10 Pro x64 dual boot
 
 

You don't plug monitors in with the power on for the same reason that you don't plug cards into the motherboard when the power is on. Transients and voltage spikes can cause damage to the equipment. Especially if pins with voltages on them get connected before the ground does.
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31 Aug 2014   #6
quadrplax

Windows 7 Home Premium 64bit
 
 

Interesting, I've always hot-swapped monitors without any issue. If the power is connected before the ground, then it wouldn't complete the circuit and nothing would happen, right?
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31 Aug 2014   #7
Mellon Head

Win 7 Pro x64/Win 10 Pro x64 dual boot
 
 

The individual pins can be at different potentials (voltages). If power and another pin get connected before ground, you run the risk of doing damage. It might partially complete the circuit, treating the other pin as a ground, potentially placing more voltage on a pin than it can stand or is rated for. The actual circuit analysis is a little too complicated to get into here, but if you have the option, plugging in a multi pinned connector to anything should be done with the power off.
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01 Sep 2014   #8
quadrplax

Windows 7 Home Premium 64bit
 
 

Doesn't every single connector in existence have at least 2 pins?
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01 Sep 2014   #9
Gornot

Windows 7 Home Premium x64
 
 

I can say from personal experience that hot-swapping monitors is a bad idea. It doesn't matter if it's worked for you before, it did the same for me until one time the monitor literally caught on fire. Besides, computers start up pretty quickly these days, especially with Windows 8 on them, so powering down your PC to change the monitors is really not such an annoyance.
My System SpecsSystem Spec
01 Sep 2014   #10
Mellon Head

Win 7 Pro x64/Win 10 Pro x64 dual boot
 
 

Quote   Quote: Originally Posted by quadrplax View Post
Doesn't every single connector in existence have at least 2 pins?
No. Some have one.
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 How to try out an older monitor with my desktop




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